Home / 51,738.88-77,543.43-22,121.95

Finding the Fourth Proportional to 51,738.88, 77,543.43 and 22,121.95

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Solution

The fourth proportional to 51,738.88, 77,543.43 and 22,121.95 is: 33,155.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,738.88 : 77,543.43 = 22,121.95 : x
  2. Step 2: Convert to fraction form
    51,738.88/77,543.43 = 22,121.95/x
  3. Step 3: Cross multiply
    51,738.88x = 77,543.43 × 22,121.95
  4. Step 4: Simplify right side
    51,738.88x = 1,715,412,172.08
  5. Step 5: Solve for x
    x = 1,715,412,172.08/51,738.88
  6. Step 6: Final answer
    x = 33,155.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.